U.S. Centennial of Flight Commission home page
Paul Cornu in his first helicopter

Paul Cornu in his first helicopter in 1907. Note that he is sitting between the two rotors, which rotated in opposite directions to cancel torque. This helicopter was the first flying machine to have risen from the ground using rotor blades instead of wings.

Credits - 2001 Smithsonian Institution, National Air and Space Museum, Videodisc. 2B 5847